Jan Harlan is an executive producer and the brother of Christiane Kubrick, director Stanley Kubrick's widow.
He started out working for Kubrick as a researcher, most prominently on Napoleon, Kubrick's never-filmed epic about the French military leader, in 1968, when Kubrick asked him, as a German speaker to accompany him to Romania to organise the army scenes for the film. Harlan acted as Kubrick's executive producer for Barry Lyndon, The Shining, Full Metal Jacket, Eyes Wide Shut, and was an assistant to the producer for A Clockwork Orange. Harlan was also executive producer for Steven Spielberg's Artificial Intelligence: AI, a collaboration between Spielberg and Kubrick. Harlan also directed a feature length documentary about Kubrick, Stanley Kubrick: A Life in Pictures.
In 2009 he assisted Alison Castle, a Taschen editor, in creating the book Stanley Kubrick's Napoleon: The Greatest Movie Never Made and gave a talk about the Kubrick Napoleon archives at Cambridge Film Festival in September 2010 with Alison Castle. He is the nephew of the German filmmaker Veit Harlan, best known for his work during the Third Reich including Jud Süß, an antijewish propaganda film.